Home / 19,978,913.84-27,570,901.16-10,811,556.59

Finding the Fourth Proportional to 19,978,913.84, 27,570,901.16 and 10,811,556.59

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Solution

The fourth proportional to 19,978,913.84, 27,570,901.16 and 10,811,556.59 is: 14,919,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,978,913.84 : 27,570,901.16 = 10,811,556.59 : x
  2. Step 2: Convert to fraction form
    19,978,913.84/27,570,901.16 = 10,811,556.59/x
  3. Step 3: Cross multiply
    19,978,913.84x = 27,570,901.16 × 10,811,556.59
  4. Step 4: Simplify right side
    19,978,913.84x = 298,084,358,128,636.62
  5. Step 5: Solve for x
    x = 298,084,358,128,636.62/19,978,913.84
  6. Step 6: Final answer
    x = 14,919,948.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.